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  2. U.S. Parcel Post stamps of 1912–13 - Wikipedia

    en.wikipedia.org/wiki/U.S._Parcel_Post_stamps_of...

    The Post Office initially planned to place all dozen stamps on sale before parcel post service began, but Frank Hitchcock, the Postmaster General, deemed the original designs for the 3-cent, 50-cent and 75-cent denominations unsatisfactory, delaying the issue of those values until after the first of the year. [6]

  3. United States Postal Service - Wikipedia

    en.wikipedia.org/wiki/United_States_Postal_Service

    The full eagle logo, used in various versions from 1970 to 1993. The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or simply the Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular areas and associated states.

  4. Grumman LLV - Wikipedia

    en.wikipedia.org/wiki/Grumman_LLV

    The body and final assembly is by Grumman, and the chassis is made by General Motors, based on the 1982 Chevrolet S-10 Blazer, powered by GM engines including the 2.5-liter inline-four TBI Iron Duke and, in later production, 2.2-liter inline-four SPFI LN2; the instrument cluster and front suspension are similar to those used in the Chevrolet S ...

  5. Universal Postal Union - Wikipedia

    en.wikipedia.org/wiki/Universal_Postal_Union

    In order to integrate postal services and the Internet, the UPU sponsors .post. [48] [49] Developing their own standards, the UPU expects to unveil a whole new range of international digital postal services, including e-post. They have appointed a body, the .post group (DPG), to oversee the development of that platform. [50]

  6. Calcium monophosphide - Wikipedia

    en.wikipedia.org/wiki/Calcium_monophosphide

    The structures of CaP and sodium peroxide (Na 2 O 2) are very similar. [1] The solid is described as a salt: (Ca 2+) 2 P 2 4−, or Ca 2 P 2. Since the bonding is ionic, the diphosphide centers carry negative charge and are easily protonated. Upon hydrolysis this material releases diphosphine (P 2 H 4): [2] Ca 2 P 2 + 4 H 2 O → 2 Ca(OH) 2 + P ...

  7. List of PSA engines - Wikipedia

    en.wikipedia.org/wiki/List_of_PSA_engines

    The DJ/DK is a family of inline-four diesel engines derived from the 2.1-liter XUD engine. The DJ engines were for installation in commercial vehicles, while the DKs were for passenger cars. The DJ engines were for installation in commercial vehicles, while the DKs were for passenger cars.

  8. Calcium - Wikipedia

    en.wikipedia.org/wiki/Calcium

    Natural calcium is a mixture of five stable isotopes (40 Ca, 42 Ca, 43 Ca, 44 Ca, and 46 Ca) and one isotope with a half-life so long that it is for all practical purposes stable (48 Ca, with a half-life of about 4.3 × 10 19 years). Calcium is the first (lightest) element to have six naturally occurring isotopes.

  9. Second cabinet of Donald Trump - Wikipedia

    en.wikipedia.org/wiki/Second_cabinet_of_Donald_Trump

    Assumed office TBD. Key Square Group CEO Scott Bessent from South Carolina: Secretary of Defense Announced November 12, 2024 Assumed office TBD. TV host Pete Hegseth from Tennessee: Attorney General Announced November 21, 2024 Assumed office TBD. Former state attorney general Pam Bondi of Florida: Secretary of the Interior Announced November 14 ...